Ransomware Research
Frog Ransomware
Frog is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on January 1, 2018, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- Frog
- First Seen
- January 1, 2018
How Frog Ransomware Works
File Encryption Patterns
Frog modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..frogRansom Note and Payment Demands
After encrypting files, Frog displays ransom notes demanding payment for file recovery:
frog.txtRansom message:
notes/frog.txt
Note locations:
EveryFolderTechnical Indicators
Associated Executable Files
The following executable files are associated with Frog ransomware:
frog.exefrog.zip
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About This Analysis
This Frog ransomware analysis is part of Elastio's comprehensive ransomware detection database. Elastio provides advanced ransomware protection and recovery solutions, helping organizations defend against and recover from ransomware attacks like Frog.
Last updated: July 30, 2025